A new theropod dinosaur from the early cretaceous (Barremian) of Cabo Espichel, Portugal: Implications for spinosaurid evolution
Spinosaurids are some of the most enigmatic Mesozoic theropod dinosaurs due to their unique adaptations to aquatic environments and their relative scarcity. Their taxonomy has proven to be especially problematic. Recent discoveries from Western Europe in general, specifically Iberia, provide some of...
Gespeichert in:
| Veröffentlicht in: | PloS one 2022-02, Vol.17 (2), p.e0262614-e0262614 |
|---|---|
| Hauptverfasser: | , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | e0262614 |
|---|---|
| container_issue | 2 |
| container_start_page | e0262614 |
| container_title | PloS one |
| container_volume | 17 |
| creator | Mateus, Octávio Estraviz-López, Darío |
| description | Spinosaurids are some of the most enigmatic Mesozoic theropod dinosaurs due to their unique adaptations to aquatic environments and their relative scarcity. Their taxonomy has proven to be especially problematic. Recent discoveries from Western Europe in general, specifically Iberia, provide some of the best specimens for the understanding of their phylogeny, leading to the description of the spinosaurid Vallibonavenatrix cani and the recognition of the Iberian dinosaur Camarillasaurus cirugedae as one of them. Portuguese associated spinosaurid remains (ML1190) from the Papo Seco Formation (early Barremian) were previously assigned to Baryonyx walkeri but new material recovered in 2020 along with new phylogenetic analyses suggests a different phylogenetic placement, making their revision necessary. Here we show that these remains are not attributable to Baryonyx walkeri, but to a new genus and species, Iberospinus natarioi, gen. et sp. nov. The new taxon is characterized by the presence of a single Meckelian foramen in the Meckelian sulcus, a straight profile of the ventral surface of the dentary and a distal thickening of the acromion process of the pubis between other characters. Iberospinus natarioi is recovered as a sister taxon of the clade formed by Baryonyx and Suchomimus, and outside Spinosaurinae when Vallibonaventrix cani is excluded from the analysis. The description of this taxon reinforces Iberia as a hotspot for spinosaur biodiversity, with several endemic taxa for the region. As expected for the clade, the dentary displays a highly vascularized neurovascular network. The morphometric analysis of parts of the skeleton (pedal phalanx and caudal vertebrae, among others) shows an intermediate condition between basal tetanurans and spinosaurines. |
| doi_str_mv | 10.1371/journal.pone.0262614 |
| format | Article |
| fullrecord | <record><control><sourceid>gale_plos_</sourceid><recordid>TN_cdi_plos_journals_2629384790</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><galeid>A693924142</galeid><doaj_id>oai_doaj_org_article_7c48fe9be1db4fd4ba0873176124e636</doaj_id><sourcerecordid>A693924142</sourcerecordid><originalsourceid>FETCH-LOGICAL-a616t-afc19e674f8816f7a1f39c7b55f3779f8694478814461dc3cb696bdec7fb5b883</originalsourceid><addsrcrecordid>eNptUk1vEzEQXSEQLYV_gMASlyKRsF47_uCAFKICkSrBAc6W1ztOHHnXqb1b1Bs_HW-zrRpU-WBr3ps345lXFK9xOceE44-7MMRO-_k-dDAvK1YxTJ8Up1iSasaqkjx98D4pXqS0K8sFEYw9L07IAvMMlqfF3yXq4A_qtxDDPjSocV1IeojIxtCOYQQ6-htkIvTaQBgSOv-iY4TW6e49ChatdB3QRdo7swX_Af0MsR822n9C63bvndG9C11CNkSUOQdx1yC4Dn4YoZfFM6t9glfTfVb8_nrxa_V9dvnj23q1vJxphlk_09ZgCYxTKwRmlmtsiTS8Xiws4VxawSSlPGOUMtwYYmomWd2A4bZe1EKQs-LtQXfvQ1LT8JLKc5NEUC7LzFgfGE3QO7WPrtXxRgXt1G0gxI3SsXfGg-KGCguyBtzU1Da01qXgBHOGKwqMsKz1eao21C00Bro-an8keox0bqs24VoJQSWrcBY4nwRiuBog9ap1yYD3uhuXcNu3YHntY9_v_qM-_ruJlXcDynU25LpmFFVLJomsKKZVZs0fYeXT5IWb7DTrcvwogR4STAwpRbD3f8SlGn1614wafaomn-a0Nw_nc590Z0zyD0Fj5l0</addsrcrecordid><sourcetype>Open Website</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2629384790</pqid></control><display><type>article</type><title>A new theropod dinosaur from the early cretaceous (Barremian) of Cabo Espichel, Portugal: Implications for spinosaurid evolution</title><source>MEDLINE</source><source>DOAJ Directory of Open Access Journals</source><source>Public Library of Science (PLoS) Journals Open Access</source><source>EZB-FREE-00999 freely available EZB journals</source><source>PubMed Central</source><source>Free Full-Text Journals in Chemistry</source><creator>Mateus, Octávio ; Estraviz-López, Darío</creator><contributor>Liu, Jun</contributor><creatorcontrib>Mateus, Octávio ; Estraviz-López, Darío ; Liu, Jun</creatorcontrib><description>Spinosaurids are some of the most enigmatic Mesozoic theropod dinosaurs due to their unique adaptations to aquatic environments and their relative scarcity. Their taxonomy has proven to be especially problematic. Recent discoveries from Western Europe in general, specifically Iberia, provide some of the best specimens for the understanding of their phylogeny, leading to the description of the spinosaurid Vallibonavenatrix cani and the recognition of the Iberian dinosaur Camarillasaurus cirugedae as one of them. Portuguese associated spinosaurid remains (ML1190) from the Papo Seco Formation (early Barremian) were previously assigned to Baryonyx walkeri but new material recovered in 2020 along with new phylogenetic analyses suggests a different phylogenetic placement, making their revision necessary. Here we show that these remains are not attributable to Baryonyx walkeri, but to a new genus and species, Iberospinus natarioi, gen. et sp. nov. The new taxon is characterized by the presence of a single Meckelian foramen in the Meckelian sulcus, a straight profile of the ventral surface of the dentary and a distal thickening of the acromion process of the pubis between other characters. Iberospinus natarioi is recovered as a sister taxon of the clade formed by Baryonyx and Suchomimus, and outside Spinosaurinae when Vallibonaventrix cani is excluded from the analysis. The description of this taxon reinforces Iberia as a hotspot for spinosaur biodiversity, with several endemic taxa for the region. As expected for the clade, the dentary displays a highly vascularized neurovascular network. The morphometric analysis of parts of the skeleton (pedal phalanx and caudal vertebrae, among others) shows an intermediate condition between basal tetanurans and spinosaurines.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0262614</identifier><identifier>PMID: 35171930</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Adaptation ; Analysis ; Animals ; Aquatic environment ; Baryons ; Baryonyx walkeri ; Biodiversity ; Biological Evolution ; Biology and Life Sciences ; Bone and Bones - anatomy & histology ; Computer and Information Sciences ; Cretaceous ; Dinosaurs ; Dinosaurs - anatomy & histology ; Dinosaurs - classification ; Earth science ; Earth Sciences ; Finger ; Fossils ; Identification and classification ; Medicine and Health Sciences ; Mesozoic ; Morphometry ; New genera ; New species ; Paleontology ; Phylogenetics ; Phylogeny ; Physical Sciences ; Portugal ; Research and Analysis Methods ; Spine ; Taxa ; Taxonomic revision ; Taxonomy ; Teeth ; Theropoda ; Thickening ; Vertebra ; Vertebrae</subject><ispartof>PloS one, 2022-02, Vol.17 (2), p.e0262614-e0262614</ispartof><rights>COPYRIGHT 2022 Public Library of Science</rights><rights>2022 Mateus, Estraviz-López. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2022 Mateus, Estraviz-López 2022 Mateus, Estraviz-López</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a616t-afc19e674f8816f7a1f39c7b55f3779f8694478814461dc3cb696bdec7fb5b883</citedby><cites>FETCH-LOGICAL-a616t-afc19e674f8816f7a1f39c7b55f3779f8694478814461dc3cb696bdec7fb5b883</cites><orcidid>0000-0002-4532-2738</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8849621/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8849621/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,2095,2914,23846,27903,27904,53769,53771,79346,79347</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35171930$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Liu, Jun</contributor><creatorcontrib>Mateus, Octávio</creatorcontrib><creatorcontrib>Estraviz-López, Darío</creatorcontrib><title>A new theropod dinosaur from the early cretaceous (Barremian) of Cabo Espichel, Portugal: Implications for spinosaurid evolution</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>Spinosaurids are some of the most enigmatic Mesozoic theropod dinosaurs due to their unique adaptations to aquatic environments and their relative scarcity. Their taxonomy has proven to be especially problematic. Recent discoveries from Western Europe in general, specifically Iberia, provide some of the best specimens for the understanding of their phylogeny, leading to the description of the spinosaurid Vallibonavenatrix cani and the recognition of the Iberian dinosaur Camarillasaurus cirugedae as one of them. Portuguese associated spinosaurid remains (ML1190) from the Papo Seco Formation (early Barremian) were previously assigned to Baryonyx walkeri but new material recovered in 2020 along with new phylogenetic analyses suggests a different phylogenetic placement, making their revision necessary. Here we show that these remains are not attributable to Baryonyx walkeri, but to a new genus and species, Iberospinus natarioi, gen. et sp. nov. The new taxon is characterized by the presence of a single Meckelian foramen in the Meckelian sulcus, a straight profile of the ventral surface of the dentary and a distal thickening of the acromion process of the pubis between other characters. Iberospinus natarioi is recovered as a sister taxon of the clade formed by Baryonyx and Suchomimus, and outside Spinosaurinae when Vallibonaventrix cani is excluded from the analysis. The description of this taxon reinforces Iberia as a hotspot for spinosaur biodiversity, with several endemic taxa for the region. As expected for the clade, the dentary displays a highly vascularized neurovascular network. The morphometric analysis of parts of the skeleton (pedal phalanx and caudal vertebrae, among others) shows an intermediate condition between basal tetanurans and spinosaurines.</description><subject>Adaptation</subject><subject>Analysis</subject><subject>Animals</subject><subject>Aquatic environment</subject><subject>Baryons</subject><subject>Baryonyx walkeri</subject><subject>Biodiversity</subject><subject>Biological Evolution</subject><subject>Biology and Life Sciences</subject><subject>Bone and Bones - anatomy & histology</subject><subject>Computer and Information Sciences</subject><subject>Cretaceous</subject><subject>Dinosaurs</subject><subject>Dinosaurs - anatomy & histology</subject><subject>Dinosaurs - classification</subject><subject>Earth science</subject><subject>Earth Sciences</subject><subject>Finger</subject><subject>Fossils</subject><subject>Identification and classification</subject><subject>Medicine and Health Sciences</subject><subject>Mesozoic</subject><subject>Morphometry</subject><subject>New genera</subject><subject>New species</subject><subject>Paleontology</subject><subject>Phylogenetics</subject><subject>Phylogeny</subject><subject>Physical Sciences</subject><subject>Portugal</subject><subject>Research and Analysis Methods</subject><subject>Spine</subject><subject>Taxa</subject><subject>Taxonomic revision</subject><subject>Taxonomy</subject><subject>Teeth</subject><subject>Theropoda</subject><subject>Thickening</subject><subject>Vertebra</subject><subject>Vertebrae</subject><issn>1932-6203</issn><issn>1932-6203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>DOA</sourceid><recordid>eNptUk1vEzEQXSEQLYV_gMASlyKRsF47_uCAFKICkSrBAc6W1ztOHHnXqb1b1Bs_HW-zrRpU-WBr3ps345lXFK9xOceE44-7MMRO-_k-dDAvK1YxTJ8Up1iSasaqkjx98D4pXqS0K8sFEYw9L07IAvMMlqfF3yXq4A_qtxDDPjSocV1IeojIxtCOYQQ6-htkIvTaQBgSOv-iY4TW6e49ChatdB3QRdo7swX_Af0MsR822n9C63bvndG9C11CNkSUOQdx1yC4Dn4YoZfFM6t9glfTfVb8_nrxa_V9dvnj23q1vJxphlk_09ZgCYxTKwRmlmtsiTS8Xiws4VxawSSlPGOUMtwYYmomWd2A4bZe1EKQs-LtQXfvQ1LT8JLKc5NEUC7LzFgfGE3QO7WPrtXxRgXt1G0gxI3SsXfGg-KGCguyBtzU1Da01qXgBHOGKwqMsKz1eao21C00Bro-an8keox0bqs24VoJQSWrcBY4nwRiuBog9ap1yYD3uhuXcNu3YHntY9_v_qM-_ruJlXcDynU25LpmFFVLJomsKKZVZs0fYeXT5IWb7DTrcvwogR4STAwpRbD3f8SlGn1614wafaomn-a0Nw_nc590Z0zyD0Fj5l0</recordid><startdate>20220216</startdate><enddate>20220216</enddate><creator>Mateus, Octávio</creator><creator>Estraviz-López, Darío</creator><general>Public Library of Science</general><general>Public Library of Science (PLoS)</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QG</scope><scope>7QL</scope><scope>7QO</scope><scope>7RV</scope><scope>7SN</scope><scope>7SS</scope><scope>7T5</scope><scope>7TG</scope><scope>7TM</scope><scope>7U9</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB.</scope><scope>KB0</scope><scope>KL.</scope><scope>L6V</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>M7S</scope><scope>NAPCQ</scope><scope>P5Z</scope><scope>P62</scope><scope>P64</scope><scope>PATMY</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>RC3</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0002-4532-2738</orcidid></search><sort><creationdate>20220216</creationdate><title>A new theropod dinosaur from the early cretaceous (Barremian) of Cabo Espichel, Portugal: Implications for spinosaurid evolution</title><author>Mateus, Octávio ; Estraviz-López, Darío</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a616t-afc19e674f8816f7a1f39c7b55f3779f8694478814461dc3cb696bdec7fb5b883</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Adaptation</topic><topic>Analysis</topic><topic>Animals</topic><topic>Aquatic environment</topic><topic>Baryons</topic><topic>Baryonyx walkeri</topic><topic>Biodiversity</topic><topic>Biological Evolution</topic><topic>Biology and Life Sciences</topic><topic>Bone and Bones - anatomy & histology</topic><topic>Computer and Information Sciences</topic><topic>Cretaceous</topic><topic>Dinosaurs</topic><topic>Dinosaurs - anatomy & histology</topic><topic>Dinosaurs - classification</topic><topic>Earth science</topic><topic>Earth Sciences</topic><topic>Finger</topic><topic>Fossils</topic><topic>Identification and classification</topic><topic>Medicine and Health Sciences</topic><topic>Mesozoic</topic><topic>Morphometry</topic><topic>New genera</topic><topic>New species</topic><topic>Paleontology</topic><topic>Phylogenetics</topic><topic>Phylogeny</topic><topic>Physical Sciences</topic><topic>Portugal</topic><topic>Research and Analysis Methods</topic><topic>Spine</topic><topic>Taxa</topic><topic>Taxonomic revision</topic><topic>Taxonomy</topic><topic>Teeth</topic><topic>Theropoda</topic><topic>Thickening</topic><topic>Vertebra</topic><topic>Vertebrae</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mateus, Octávio</creatorcontrib><creatorcontrib>Estraviz-López, Darío</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Nursing & Allied Health Database</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Immunology Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Agricultural Science Collection</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Materials Science Database</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>ProQuest Engineering Collection</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Engineering Database</collection><collection>Nursing & Allied Health Premium</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mateus, Octávio</au><au>Estraviz-López, Darío</au><au>Liu, Jun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A new theropod dinosaur from the early cretaceous (Barremian) of Cabo Espichel, Portugal: Implications for spinosaurid evolution</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2022-02-16</date><risdate>2022</risdate><volume>17</volume><issue>2</issue><spage>e0262614</spage><epage>e0262614</epage><pages>e0262614-e0262614</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Spinosaurids are some of the most enigmatic Mesozoic theropod dinosaurs due to their unique adaptations to aquatic environments and their relative scarcity. Their taxonomy has proven to be especially problematic. Recent discoveries from Western Europe in general, specifically Iberia, provide some of the best specimens for the understanding of their phylogeny, leading to the description of the spinosaurid Vallibonavenatrix cani and the recognition of the Iberian dinosaur Camarillasaurus cirugedae as one of them. Portuguese associated spinosaurid remains (ML1190) from the Papo Seco Formation (early Barremian) were previously assigned to Baryonyx walkeri but new material recovered in 2020 along with new phylogenetic analyses suggests a different phylogenetic placement, making their revision necessary. Here we show that these remains are not attributable to Baryonyx walkeri, but to a new genus and species, Iberospinus natarioi, gen. et sp. nov. The new taxon is characterized by the presence of a single Meckelian foramen in the Meckelian sulcus, a straight profile of the ventral surface of the dentary and a distal thickening of the acromion process of the pubis between other characters. Iberospinus natarioi is recovered as a sister taxon of the clade formed by Baryonyx and Suchomimus, and outside Spinosaurinae when Vallibonaventrix cani is excluded from the analysis. The description of this taxon reinforces Iberia as a hotspot for spinosaur biodiversity, with several endemic taxa for the region. As expected for the clade, the dentary displays a highly vascularized neurovascular network. The morphometric analysis of parts of the skeleton (pedal phalanx and caudal vertebrae, among others) shows an intermediate condition between basal tetanurans and spinosaurines.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>35171930</pmid><doi>10.1371/journal.pone.0262614</doi><orcidid>https://orcid.org/0000-0002-4532-2738</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1932-6203 |
| ispartof | PloS one, 2022-02, Vol.17 (2), p.e0262614-e0262614 |
| issn | 1932-6203 1932-6203 |
| language | eng |
| recordid | cdi_plos_journals_2629384790 |
| source | MEDLINE; DOAJ Directory of Open Access Journals; Public Library of Science (PLoS) Journals Open Access; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Adaptation Analysis Animals Aquatic environment Baryons Baryonyx walkeri Biodiversity Biological Evolution Biology and Life Sciences Bone and Bones - anatomy & histology Computer and Information Sciences Cretaceous Dinosaurs Dinosaurs - anatomy & histology Dinosaurs - classification Earth science Earth Sciences Finger Fossils Identification and classification Medicine and Health Sciences Mesozoic Morphometry New genera New species Paleontology Phylogenetics Phylogeny Physical Sciences Portugal Research and Analysis Methods Spine Taxa Taxonomic revision Taxonomy Teeth Theropoda Thickening Vertebra Vertebrae |
| title | A new theropod dinosaur from the early cretaceous (Barremian) of Cabo Espichel, Portugal: Implications for spinosaurid evolution |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-26T09%3A20%3A40IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_plos_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=A%20new%20theropod%20dinosaur%20from%20the%20early%20cretaceous%20(Barremian)%20of%20Cabo%20Espichel,%20Portugal:%20Implications%20for%20spinosaurid%20evolution&rft.jtitle=PloS%20one&rft.au=Mateus,%20Oct%C3%A1vio&rft.date=2022-02-16&rft.volume=17&rft.issue=2&rft.spage=e0262614&rft.epage=e0262614&rft.pages=e0262614-e0262614&rft.issn=1932-6203&rft.eissn=1932-6203&rft_id=info:doi/10.1371/journal.pone.0262614&rft_dat=%3Cgale_plos_%3EA693924142%3C/gale_plos_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2629384790&rft_id=info:pmid/35171930&rft_galeid=A693924142&rft_doaj_id=oai_doaj_org_article_7c48fe9be1db4fd4ba0873176124e636&rfr_iscdi=true |